Year	per million people
1996	31.16434
1998	43.68144
2000	39.70811
2002	56.96372
2004	63.42829
2006	43.59979
2008	68.47773
2009	71.62384
2010	130.30401
2011	158.76921
2012	162.84503
2014	212.16407
2015	132.35787
2016	263.25211
2018	233.44304